Grantia compressa

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Grantia compressa
Scientific classification
Kingdom: Animalia
Phylum: Porifera
Class: Calcarea
Subclass: Calcaronea
Order: Leucosolenida
Family: Grantiidae
Genus: Grantia
Species: G. compressa
Binomial name
Grantia compressa
O. Fabricius, 1780

Grantia compressa is a species of calcareous sponge belonging to the family Grantiidae. It is a very common species of rocky shores along the Atlantic coasts of Europe from France northwards.

It appears as flattened, purse-shaped vases up to 5 cm long with slit-like oscula at the ends, hanging downwards attached by a stalk to rocky overhangs, often in groups among seaweed. This is a pale sponge ranging in colour from grey to yellow.

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